Fly Ash Based Lightweight Geopolymer Concrete Using Foaming Agent Technology

Author:

Al Bakri Abdullah Mohd Mustafa1,Yahya Zarina1,Mohd Tahir Muhammad Faheem1,Hussin Kamarudin1,Binhussain Mohammed2,Sandhu Andrei Victor3

Affiliation:

1. Universiti Malaysia Perlis (UniMAP)

2. King Abdulaziz City Science and Technology

3. "Gheorghe Asachi" Technical University of Iaşi

Abstract

This paper presents the mechanical properties of a lightweight geopolymer concrete synthesized by the alkali-activation of a fly ash source (FA) produced by mixing a paste of geopolymer with foam produced by using NCT Foam Generator. Two curing conditions are used, curing at room temperature and curing in an oven with a constant temperature which is 60 oC. Bulk density showed that fly ash-based geopolymer lightweight concrete is light with the density of 1225 kg/m3 - 1667 kg/m3 with an acceptable compressive strength of 17.60 MPa for the density of 1667 kg/m3.

Publisher

Trans Tech Publications, Ltd.

Reference16 articles.

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2. Cement and Concrete Institute, Foamed Concrete: Cement and Concrete Institute, (2010) Midrand, South Africa.

3. E.P. Kearsley and P.J. Wainwright: Cement Concrete Research 31 (2001), p.105–112.

4. L. de Rose and J. Morris: The Influence of Mix Design on the Properties of Microcellular Concrete. In Specialist Techniques and Materials for Construction; R.K. Dhir, N.A. Handerson, Eds.; Thomas Telford: London, UK, (1999), p.185–197.

5. M. Turner: Fast Set Foamed Concrete for Same Day Reinstatement of Openings in Highways. In Proceedings of One Day Seminar on Foamed Concrete: Properties, Applications and Latest Technological Developments; Loughborough University: Leicestershire, UK, (2001).

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